F6A27P4Q4R 7783-00-8 Selenious acid Selenious acid [USP] Selenium dioxide, monohydrated CCRIS 5530 EINECS 231-974-7 HSDB 6065 Hydrogen Selenite Monohydrated selenium dioxide RCRA waste number U204 Selenious acid (H2SeO3) Selenite Selenium dioxide Selenous acid UNII-F6A27P4Q4R EC 231-974-7 RCRA waste no. U204 CAS 7783-00-8
| CAS No. | 7783-00-8 |
| Molecular Formula | H2O3Se |
| Molecular Weight | 128.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of F6A27P4Q4R 7783-00-8 Selenious acid Selenious acid [USP] Selenium dioxide, monohydrated CCRIS 5530 EINECS 231-974-7 HSDB 6065 Hydrogen Selenite Monohydrated selenium dioxide RCRA waste number U204 Selenious acid (H2SeO3) Selenite Selenium dioxide Selenous acid UNII-F6A27P4Q4R EC 231-974-7 RCRA waste no. U204 (H2O3Se) is characterized by an inorganic composition. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
F6A27P4Q4R 7783-00-8 Selenious acid Selenious acid [USP] Selenium dioxide, monohydrated CCRIS 5530 EINECS 231-974-7 HSDB 6065 Hydrogen Selenite Monohydrated selenium dioxide RCRA waste number U204 Selenious acid (H2SeO3) Selenite Selenium dioxide Selenous acid UNII-F6A27P4Q4R EC 231-974-7 RCRA waste no. U204 (CAS 7783-00-8) is a high-purity analytical reference standard with the molecular formula H2O3Se and a molecular weight of 128.97 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures F6A27P4Q4R 7783-00-8 Selenious acid Selenious acid [USP] Selenium dioxide, monohydrated CCRIS 5530 EINECS 231-974-7 HSDB 6065 Hydrogen Selenite Monohydrated selenium dioxide RCRA waste number U204 Selenious acid (H2SeO3) Selenite Selenium dioxide Selenous acid UNII-F6A27P4Q4R EC 231-974-7 RCRA waste no. U204 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | H2O3Se |
| Molecular Weight | 128.97 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
Recommended Standards
- Pyridine-3-boronic acid (CAS 1692-25-7)
- 1,2-dichloropropan-1-ol (CAS 108026-03-5)
- Pyridine-4-boronic acid (CAS 1692-15-5)
- 2-Chloroethyl Chloromethyl Ether (CAS 1462-33-5)
- 4-(Aminomethyl)-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-sulfonamide (CAS 1361816-20-7)
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- 5-Chloro-6-fluoro-1H-indol-3-amine (CAS 2138154-84-2)
- 2-Methyl-5-(propylthio)quinolin-8-ol (CAS 73113-06-1)
- 4-Formyl-6-iodopyridine-2-sulfonyl chloride (CAS 1393530-86-3)
- 1-(1-naphthyl)propan-1-one (CAS 2876-63-3)
- 1-(4-Butoxyphenyl)-5-methyl-1H-1,2,3-triazole (CAS 89779-19-1)
- 1-(4-Methoxy-1,3-benzothiazol-2-yl)azetidine-3-carboxylic acid (CAS 1283108-96-2)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com